300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
1
Loosen fastening screws (2).
2
Apply full throttle, so that the regulating lever of the injection pump rests against full load stop.
3
Rotate vacuum control valve (65) in direction of arrow until resistance is felt. In this position. tighten fastening screws (2)